When it comes to presidents and kings of world transport, security passes in the first place, besides the elegance, luxury, comfort and performance. Official cars are armored and prepared to face armed attacks, but is made, however, compromising the performance.
U.S.A.
Barack Obama goes into a limousine specially prepared for the White House and is called Cadillac One. The car is built on the GMC Topkick and model looks like a sleek Cadillac DTS.
It is an AWD car, and armor to reach a thickness of 12 centimeters. The side windows are fixed and the boot lid conceals five communications antennas.

Russia
Russian President usually goes with an armored Mercedes S-Class. All of the motorcade, cars are available to the President Mercedes G-Class models, Mercedes E-Class, BMW 5 Series and the Volkswagen Caravelle.
Germany
Over time German government officials have used Mercedes. The most popular models were the Mercedes 300 Adenauer and Pullman. Currently, the president of Germany's official car is a Mercedes-Benz S600 Armored, but is still at his disposal and an Audi A8.
France
Nicolas Sarkozy has to choose between multiple versions of the armored top models made in France, namely: Citroen C6, Peugeot 607 and Renault Vel Satis, but his preferences, Renault was the first place.
China
President of China was usually seen in an Audi A8, but while he gave up comfort walking with a Nissan Civilian minibus.
Monaco
Albert II, Prince of Monaco is a pioneer of this level is the first official to introduce a hybrid car in his column. It's Lexus LS 600h. Also in print garage find a Toyota Prius and a Lexus RX 400h. For special occasions using a classic Bentley, reconditioned and also owns a Rolls Royce, a Mercedes-Benz S-Class and a BMW Hydrogen 7.